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Bumblebee Surveys in Montana, North Dakota, South Dakota, and Nevada, USA (ver. 3.0, March 2025) Bumblebee Surveys in Montana, North Dakota, South Dakota, and Nevada, USA (ver. 3.0, March 2025)
Bumblebee community surveys used occupancy survey designs primarily across lands managed by the Bureau of Land Management (BLM) and Glacier National Park (GNP). They also include a few surveys in Nevada. These records represent timed surveys that were both successful and unsuccessful in detecting bumble bees.
Radioanalytical Measurements on Samples From Submarine, Karstic Carbonate Features Along the West Florida Shelf Radioanalytical Measurements on Samples From Submarine, Karstic Carbonate Features Along the West Florida Shelf
Relict karstic features, often referred to as blue holes, are common features along continental shelves that are underlain by carbonate rich sediments and/or rocks. Several of these features occur along the west-Florida shelf within the Gulf of Mexico, including the two mentioned in this data product: Amberjack Hole and Green Banana Sink (hereafter referred to as Green Banana)...
Groundwater-Level Altitudes and Volatile and Semivolatile Organic Compound Concentrations at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund Site, Liberty County, Texas, 2020 Groundwater-Level Altitudes and Volatile and Semivolatile Organic Compound Concentrations at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund Site, Liberty County, Texas, 2020
In 2020, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected groundwater-level altitude data and water-quality samples from monitoring wells at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund Site in Liberty County, Texas to evaluate the status of groundwater contamination at this previously remediated site. The dataset includes...
Groundwater-quality data in the Butte-Sutter-Yuba Domestic-Supply Aquifer Study Unit, 2021: Results from the California GAMA Priority Basin Project Groundwater-quality data in the Butte-Sutter-Yuba Domestic-Supply Aquifer Study Unit, 2021: Results from the California GAMA Priority Basin Project
The U.S. Geological Survey collected groundwater samples from 38 wells used for domestic and small system drinking water supplies in Butte, Sutter, and Yuba counties of California during 2021. The wells were sampled for the Butte-Sutter-Yuba Domestic-Supply Aquifer Study Unit of the State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority...
Agisoft Metashape/Photoscan Automated Image Alignment and Error Reduction version 2.0 Agisoft Metashape/Photoscan Automated Image Alignment and Error Reduction version 2.0
This repository contains python scripts which automate image alignment and sparse point cloud error reduction in the Agisoft Metashape/Photoscan structure from motion photogrammetry software package using the Agisoft Metashape Python API. The current version of the script (version 2.0) approximates the workflow described in U.S. Geological Survey Open-File Report 2021-1039 (Over et al...
Laboratory and Field Data for a Performance Evaluation of the PhytoFind, an In-Place Phytoplankton Classification Tool Laboratory and Field Data for a Performance Evaluation of the PhytoFind, an In-Place Phytoplankton Classification Tool
This data release presents the laboratory and field results of a performance evaluation conducted on the Turner Designs, Inc., PhytoFind, an in-place phytoplankton classification tool. The laboratory evaluation included tests that were designed to characterize PhytoFind performance under a range of conditions that may affect phytoplankton fluorescence and sensor response. Laboratory...